Moving Objects Detection in Airborne Video

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Motivation

The program will develop, integrate and evaluate the following key automated video processing technologies using visible and infrared imagery:

Precision Video Registration (PVR): The accurate geolocation of moving and stationary targets in video surveillance imagery at real time rates.
Multiple Target Surveillance (MTS): The simultaneous tracking of multiple vehicles in a UAVs area of regard, using a single computer controlled gimbal and sensor.
Activity Monitoring (AM): The monitoring of several areas of the battle space for distinctive motion activities such as a soldier incursion and vehicle movement.

Background

Among the many moving object detection methods, ours adapts background subtraction to moving platform especially for airborne video processing, which typically have low image contrast and small object size.

Methodology

Registration is the process of establishing correspondences between images, so that the images are in a common reference frame. Knowing the co-ordinate locations of points corresponding to the same physical object in both images, an affine or higher order transformation can be computed to warp the images to the reference. Video adds new dimensions to the registration problem, since there are a very large number of frames even in a short video sequence, depending on the frame rate. For aerial monitoring of ground sites, it is important that the video be related to the 3-D real world co-ordinates inherent in a traditional map or orthographic image.

Results and Future Directions

An automated registration scheme capable of correction of airborne video has been described. Such a system also enables visualization of moving objects as seen from a stationary platform. This combines the functionality of a traditional Moving Target Identification with the power of multimedia objects and moving platform.

Publications and Awards

Patent Application in Process